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Nadusha1986 [10]

2 years ago

12

Choose the correct answer to complete the thought. Someone who studies the physics of sound waves is a(an)______.

1 answer:

SCORPION-xisa [38]2 years ago

5 0

The best and most correct answer among the choices provided by your question is the fourth choice or letter D. <span>Someone who studies the physics of sound waves is an acoustician.</span><span>
</span>A scientist who works in the field of acoustics is an acoustician<span> while someone working in the field of acoustics technology may be called an acoustical engineer.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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Which ion channels mediate the falling phase of an action potontial?

White raven [17]

Answer:

Voltage-gated K+ channels

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3 years ago

A 2kg block of which material would require 450 joules of thermal energy to increase its temperature by 1 degree Celsius?

12345 [234]

The block is made of A) Tin, as its specific heat capacity is $0.225 J/(g^{\circ}C)$

Explanation:

When an amount of energy Q is supplied to a sample of material of mass m, the temperature of the material increases by $\Delta T$ , according to the following equation :

$Q=mC_s \Delta T$

where $C_s$ is the specific heat capacity of the material.

In this problem, we have:

m = 2 kg = 2000 g is the mass of the unknown material

$Q = 450 J$ is the amount of energy supplied to the block

$\Delta T = 1^{\circ}C$ is the change in temperature of the material

Solving the equation for $C_s$ , we can find the specific heat capacity of the unknown sample:

$C_s = \frac{Q}{m \Delta T}=\frac{450}{(2000)(1)}=0.225 J/(g^{\circ}C)$

And by comparing with tabular values, we can find that this value is approximately the specific heat capacity of tin.

Learn more about specific heat capacity:

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2 years ago

The main difference between a psychologist and a psychiatrist is that a psychiatrist can typically __________ and most psycholog

Aloiza [94]

A. prescribe medication

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2 years ago

Read 2 more answers

A roller coaster car rapidly picks up speed as it rolls down a slope as it starts down the slope its speed is 4m/s but 3 seconds

Gwar [14]

Answer:

The acceleration is 6 [m/s^2]

Explanation:

We can find the acceleration of the roller coaster using the kinematic equation for uniformly accelerated motion.

$v_{f} =v_{i} + a*t\\where:\\v_{f} = final velocity = 22 [m/s]\\v_{i} = initial velocity = 4 [m/s]\\t = time = 3 [s]\\$

Now replacing the values we have:

$a=\frac{v_{f} - v_{i} }{t} \\a=\frac{22 - 4 }{3}\\a = 6 [m/s^{2} ]$

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2 years ago

two clear, colorless liquids are poured together. A bright yellow solid forms. What physical properties have changed?

jek_recluse [69]

Change in state(from liquid to solid) and change in colour I believe.

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3 years ago